Manipulating
Elements in Strings

The
String standard library provides a number of functions for
manipulating elements in a string. In WMLScript, a string can be
broken into different substrings using a delimiter and each of these
substrings is called an element. This is illustrated in the following
example. Let's consider the string below:

"WAP
tutorials: WML tutorial, WMLScript tutorial"

If
the comma is specified as the delimiter, then there are two elements
in the above string:

"WAP
tutorials: WML tutorial"" WMLScript tutorial"

If
the space character is specified as the delimiter, then there are six
elements:

"WAP""tutorials:""WML""tutorial,""WMLScript""tutorial"

The
String standard library provides five functions to help us manipulate
elements in a string. The five functions are:

elements()

elementAt()

insertAt()

removeAt()

replaceAt()

These
five functions can also be used to simulate arrays in WMLScript. You
can learn how this can be done in the "Arrays
in WMLScript" section shortly.

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